Count Items
Verb: count
Counts the number of items in a collection such as a "List", "Stack", "Queue" or "Message Queue".
Collections are enumerable data structures that can be accessed using indexes and keys.
Syntax
count --collection(ICollection<Variant>) (Numeric)=value
Inputs
| Script | Designer | Required | AcceptedTypes | Description |
|---|---|---|---|---|
| --collection | Collection | Required | ICollection<Any> | Collection with the items to be counted.
In this parameter, in addition to “Queue” and "Stack" and "List" collections, the “Message Queue” type, which originates from the connection to a queue provider, is also accepted. To manipulate a “Message Queue” variable, it must be obtained from the Queue Obtained parameter of the Get Queue command. |
Outputs
| Script | Designer | AcceptedTypes | Description |
|---|---|---|---|
| value | Itens Quantity | Number | Returns the number of items in the collection or in a "Message Queue". |
Example
Example 1: The command counts the number of items in a "Queue" type collection.
defVar --name namesCollection --type Queue --innertype String --value "[Ana,Maria,Lucas,Victor]"
defVar --name amountOfNames --type Numeric
count --collection "${namesCollection}" amountOfNames=value
logMessage --message "${amountOfNames}" --type "Info"
//The result of ${namesQuantity} after execution is: 4.
Example 2: The Count Items command counts the number of items in a "Message Queue" variable, obtained from the connection to a queue provider.
defVar --name connection --type QueueConnection
defVar --name obtainedQueue --type MessageQueue
defVar --name itensQuantity --type Numeric
connectActiveMQ --queueprovider Training --fromconfiguration connection=value
getQueue --connection ${connection} --fromconfiguration --queue queueA obtainedQueue=value
count --collection "${obtainedQueue}" itensQuantity=value